<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- 引入样式 -->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
</head>
<body>
<div id="app">
    <el-row gutter="20">
        <el-col span="6"><el-card><img src="a.jpg" width="100%"></el-card> </el-col>
        <el-col span="6"><el-card><img src="b.jpg" width="100%"></el-card> </el-col>
        <el-col span="6"><el-card><img src="c.jpg" width="100%"></el-card> </el-col>
        <el-col span="6"><el-card><img src="d.jpg" width="100%"></el-card> </el-col>
    </el-row>
</div>
<!-- import Vue before Element -->
<script src="https://unpkg.com/vue@2/dist/vue.js"></script>
<!-- import JavaScript -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<script>
    let v=new Vue({
        el: '#app',
        data: function() {
            return {

            }
        },
        methods:{

        }
    })
</script>
</body>
</html>